V4L/DVB (6715): ivtv: Remove unnecessary register update
[linux-2.6/verdex.git] / drivers / media / video / cx88 / cx88-video.c
blob6d5ea8ce9830610d182ed6c5d14b11121da35bff
1 /*
3 * device driver for Conexant 2388x based TV cards
4 * video4linux video interface
6 * (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9 * - Multituner support
10 * - video_ioctl2 conversion
11 * - PAL/M fixes
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <linux/init.h>
29 #include <linux/list.h>
30 #include <linux/module.h>
31 #include <linux/kmod.h>
32 #include <linux/kernel.h>
33 #include <linux/slab.h>
34 #include <linux/interrupt.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/delay.h>
37 #include <linux/kthread.h>
38 #include <asm/div64.h>
40 #include "cx88.h"
41 #include <media/v4l2-common.h>
43 #ifdef CONFIG_VIDEO_V4L1_COMPAT
44 /* Include V4L1 specific functions. Should be removed soon */
45 #include <linux/videodev.h>
46 #endif
48 MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
49 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
50 MODULE_LICENSE("GPL");
52 /* ------------------------------------------------------------------ */
54 static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
55 static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
56 static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
58 module_param_array(video_nr, int, NULL, 0444);
59 module_param_array(vbi_nr, int, NULL, 0444);
60 module_param_array(radio_nr, int, NULL, 0444);
62 MODULE_PARM_DESC(video_nr,"video device numbers");
63 MODULE_PARM_DESC(vbi_nr,"vbi device numbers");
64 MODULE_PARM_DESC(radio_nr,"radio device numbers");
66 static unsigned int video_debug = 0;
67 module_param(video_debug,int,0644);
68 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
70 static unsigned int irq_debug = 0;
71 module_param(irq_debug,int,0644);
72 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
74 static unsigned int vid_limit = 16;
75 module_param(vid_limit,int,0644);
76 MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
78 #define dprintk(level,fmt, arg...) if (video_debug >= level) \
79 printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
81 /* ------------------------------------------------------------------ */
83 static LIST_HEAD(cx8800_devlist);
85 /* ------------------------------------------------------------------- */
86 /* static data */
88 static struct cx8800_fmt formats[] = {
90 .name = "8 bpp, gray",
91 .fourcc = V4L2_PIX_FMT_GREY,
92 .cxformat = ColorFormatY8,
93 .depth = 8,
94 .flags = FORMAT_FLAGS_PACKED,
95 },{
96 .name = "15 bpp RGB, le",
97 .fourcc = V4L2_PIX_FMT_RGB555,
98 .cxformat = ColorFormatRGB15,
99 .depth = 16,
100 .flags = FORMAT_FLAGS_PACKED,
102 .name = "15 bpp RGB, be",
103 .fourcc = V4L2_PIX_FMT_RGB555X,
104 .cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
105 .depth = 16,
106 .flags = FORMAT_FLAGS_PACKED,
108 .name = "16 bpp RGB, le",
109 .fourcc = V4L2_PIX_FMT_RGB565,
110 .cxformat = ColorFormatRGB16,
111 .depth = 16,
112 .flags = FORMAT_FLAGS_PACKED,
114 .name = "16 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB565X,
116 .cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
117 .depth = 16,
118 .flags = FORMAT_FLAGS_PACKED,
120 .name = "24 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR24,
122 .cxformat = ColorFormatRGB24,
123 .depth = 24,
124 .flags = FORMAT_FLAGS_PACKED,
126 .name = "32 bpp RGB, le",
127 .fourcc = V4L2_PIX_FMT_BGR32,
128 .cxformat = ColorFormatRGB32,
129 .depth = 32,
130 .flags = FORMAT_FLAGS_PACKED,
132 .name = "32 bpp RGB, be",
133 .fourcc = V4L2_PIX_FMT_RGB32,
134 .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
135 .depth = 32,
136 .flags = FORMAT_FLAGS_PACKED,
138 .name = "4:2:2, packed, YUYV",
139 .fourcc = V4L2_PIX_FMT_YUYV,
140 .cxformat = ColorFormatYUY2,
141 .depth = 16,
142 .flags = FORMAT_FLAGS_PACKED,
144 .name = "4:2:2, packed, UYVY",
145 .fourcc = V4L2_PIX_FMT_UYVY,
146 .cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
147 .depth = 16,
148 .flags = FORMAT_FLAGS_PACKED,
152 static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
154 unsigned int i;
156 for (i = 0; i < ARRAY_SIZE(formats); i++)
157 if (formats[i].fourcc == fourcc)
158 return formats+i;
159 return NULL;
162 /* ------------------------------------------------------------------- */
164 static const struct v4l2_queryctrl no_ctl = {
165 .name = "42",
166 .flags = V4L2_CTRL_FLAG_DISABLED,
169 static struct cx88_ctrl cx8800_ctls[] = {
170 /* --- video --- */
172 .v = {
173 .id = V4L2_CID_BRIGHTNESS,
174 .name = "Brightness",
175 .minimum = 0x00,
176 .maximum = 0xff,
177 .step = 1,
178 .default_value = 0x7f,
179 .type = V4L2_CTRL_TYPE_INTEGER,
181 .off = 128,
182 .reg = MO_CONTR_BRIGHT,
183 .mask = 0x00ff,
184 .shift = 0,
186 .v = {
187 .id = V4L2_CID_CONTRAST,
188 .name = "Contrast",
189 .minimum = 0,
190 .maximum = 0xff,
191 .step = 1,
192 .default_value = 0x3f,
193 .type = V4L2_CTRL_TYPE_INTEGER,
195 .off = 0,
196 .reg = MO_CONTR_BRIGHT,
197 .mask = 0xff00,
198 .shift = 8,
200 .v = {
201 .id = V4L2_CID_HUE,
202 .name = "Hue",
203 .minimum = 0,
204 .maximum = 0xff,
205 .step = 1,
206 .default_value = 0x7f,
207 .type = V4L2_CTRL_TYPE_INTEGER,
209 .off = 128,
210 .reg = MO_HUE,
211 .mask = 0x00ff,
212 .shift = 0,
214 /* strictly, this only describes only U saturation.
215 * V saturation is handled specially through code.
217 .v = {
218 .id = V4L2_CID_SATURATION,
219 .name = "Saturation",
220 .minimum = 0,
221 .maximum = 0xff,
222 .step = 1,
223 .default_value = 0x7f,
224 .type = V4L2_CTRL_TYPE_INTEGER,
226 .off = 0,
227 .reg = MO_UV_SATURATION,
228 .mask = 0x00ff,
229 .shift = 0,
231 /* --- audio --- */
232 .v = {
233 .id = V4L2_CID_AUDIO_MUTE,
234 .name = "Mute",
235 .minimum = 0,
236 .maximum = 1,
237 .default_value = 1,
238 .type = V4L2_CTRL_TYPE_BOOLEAN,
240 .reg = AUD_VOL_CTL,
241 .sreg = SHADOW_AUD_VOL_CTL,
242 .mask = (1 << 6),
243 .shift = 6,
245 .v = {
246 .id = V4L2_CID_AUDIO_VOLUME,
247 .name = "Volume",
248 .minimum = 0,
249 .maximum = 0x3f,
250 .step = 1,
251 .default_value = 0x3f,
252 .type = V4L2_CTRL_TYPE_INTEGER,
254 .reg = AUD_VOL_CTL,
255 .sreg = SHADOW_AUD_VOL_CTL,
256 .mask = 0x3f,
257 .shift = 0,
259 .v = {
260 .id = V4L2_CID_AUDIO_BALANCE,
261 .name = "Balance",
262 .minimum = 0,
263 .maximum = 0x7f,
264 .step = 1,
265 .default_value = 0x40,
266 .type = V4L2_CTRL_TYPE_INTEGER,
268 .reg = AUD_BAL_CTL,
269 .sreg = SHADOW_AUD_BAL_CTL,
270 .mask = 0x7f,
271 .shift = 0,
274 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
276 const u32 cx88_user_ctrls[] = {
277 V4L2_CID_USER_CLASS,
278 V4L2_CID_BRIGHTNESS,
279 V4L2_CID_CONTRAST,
280 V4L2_CID_SATURATION,
281 V4L2_CID_HUE,
282 V4L2_CID_AUDIO_VOLUME,
283 V4L2_CID_AUDIO_BALANCE,
284 V4L2_CID_AUDIO_MUTE,
287 EXPORT_SYMBOL(cx88_user_ctrls);
289 static const u32 *ctrl_classes[] = {
290 cx88_user_ctrls,
291 NULL
294 int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
296 int i;
298 if (qctrl->id < V4L2_CID_BASE ||
299 qctrl->id >= V4L2_CID_LASTP1)
300 return -EINVAL;
301 for (i = 0; i < CX8800_CTLS; i++)
302 if (cx8800_ctls[i].v.id == qctrl->id)
303 break;
304 if (i == CX8800_CTLS) {
305 *qctrl = no_ctl;
306 return 0;
308 *qctrl = cx8800_ctls[i].v;
309 return 0;
311 EXPORT_SYMBOL(cx8800_ctrl_query);
313 /* ------------------------------------------------------------------- */
314 /* resource management */
316 static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit)
318 struct cx88_core *core = dev->core;
319 if (fh->resources & bit)
320 /* have it already allocated */
321 return 1;
323 /* is it free? */
324 mutex_lock(&core->lock);
325 if (dev->resources & bit) {
326 /* no, someone else uses it */
327 mutex_unlock(&core->lock);
328 return 0;
330 /* it's free, grab it */
331 fh->resources |= bit;
332 dev->resources |= bit;
333 dprintk(1,"res: get %d\n",bit);
334 mutex_unlock(&core->lock);
335 return 1;
338 static
339 int res_check(struct cx8800_fh *fh, unsigned int bit)
341 return (fh->resources & bit);
344 static
345 int res_locked(struct cx8800_dev *dev, unsigned int bit)
347 return (dev->resources & bit);
350 static
351 void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
353 struct cx88_core *core = dev->core;
354 BUG_ON((fh->resources & bits) != bits);
356 mutex_lock(&core->lock);
357 fh->resources &= ~bits;
358 dev->resources &= ~bits;
359 dprintk(1,"res: put %d\n",bits);
360 mutex_unlock(&core->lock);
363 /* ------------------------------------------------------------------ */
365 int cx88_video_mux(struct cx88_core *core, unsigned int input)
367 /* struct cx88_core *core = dev->core; */
369 dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
370 input, INPUT(input).vmux,
371 INPUT(input).gpio0,INPUT(input).gpio1,
372 INPUT(input).gpio2,INPUT(input).gpio3);
373 core->input = input;
374 cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
375 cx_write(MO_GP3_IO, INPUT(input).gpio3);
376 cx_write(MO_GP0_IO, INPUT(input).gpio0);
377 cx_write(MO_GP1_IO, INPUT(input).gpio1);
378 cx_write(MO_GP2_IO, INPUT(input).gpio2);
380 switch (INPUT(input).type) {
381 case CX88_VMUX_SVIDEO:
382 cx_set(MO_AFECFG_IO, 0x00000001);
383 cx_set(MO_INPUT_FORMAT, 0x00010010);
384 cx_set(MO_FILTER_EVEN, 0x00002020);
385 cx_set(MO_FILTER_ODD, 0x00002020);
386 break;
387 default:
388 cx_clear(MO_AFECFG_IO, 0x00000001);
389 cx_clear(MO_INPUT_FORMAT, 0x00010010);
390 cx_clear(MO_FILTER_EVEN, 0x00002020);
391 cx_clear(MO_FILTER_ODD, 0x00002020);
392 break;
395 if (core->board.mpeg & CX88_MPEG_BLACKBIRD) {
396 /* sets sound input from external adc */
397 if (INPUT(input).extadc)
398 cx_set(AUD_CTL, EN_I2SIN_ENABLE);
399 else
400 cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
402 return 0;
404 EXPORT_SYMBOL(cx88_video_mux);
406 /* ------------------------------------------------------------------ */
408 static int start_video_dma(struct cx8800_dev *dev,
409 struct cx88_dmaqueue *q,
410 struct cx88_buffer *buf)
412 struct cx88_core *core = dev->core;
414 /* setup fifo + format */
415 cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
416 buf->bpl, buf->risc.dma);
417 cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field);
418 cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma);
420 /* reset counter */
421 cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET);
422 q->count = 1;
424 /* enable irqs */
425 cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
427 /* Enables corresponding bits at PCI_INT_STAT:
428 bits 0 to 4: video, audio, transport stream, VIP, Host
429 bit 7: timer
430 bits 8 and 9: DMA complete for: SRC, DST
431 bits 10 and 11: BERR signal asserted for RISC: RD, WR
432 bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
434 cx_set(MO_VID_INTMSK, 0x0f0011);
436 /* enable capture */
437 cx_set(VID_CAPTURE_CONTROL,0x06);
439 /* start dma */
440 cx_set(MO_DEV_CNTRL2, (1<<5));
441 cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
443 return 0;
446 #ifdef CONFIG_PM
447 static int stop_video_dma(struct cx8800_dev *dev)
449 struct cx88_core *core = dev->core;
451 /* stop dma */
452 cx_clear(MO_VID_DMACNTRL, 0x11);
454 /* disable capture */
455 cx_clear(VID_CAPTURE_CONTROL,0x06);
457 /* disable irqs */
458 cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
459 cx_clear(MO_VID_INTMSK, 0x0f0011);
460 return 0;
462 #endif
464 static int restart_video_queue(struct cx8800_dev *dev,
465 struct cx88_dmaqueue *q)
467 struct cx88_core *core = dev->core;
468 struct cx88_buffer *buf, *prev;
470 if (!list_empty(&q->active)) {
471 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
472 dprintk(2,"restart_queue [%p/%d]: restart dma\n",
473 buf, buf->vb.i);
474 start_video_dma(dev, q, buf);
475 list_for_each_entry(buf, &q->active, vb.queue)
476 buf->count = q->count++;
477 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
478 return 0;
481 prev = NULL;
482 for (;;) {
483 if (list_empty(&q->queued))
484 return 0;
485 buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue);
486 if (NULL == prev) {
487 list_move_tail(&buf->vb.queue, &q->active);
488 start_video_dma(dev, q, buf);
489 buf->vb.state = VIDEOBUF_ACTIVE;
490 buf->count = q->count++;
491 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
492 dprintk(2,"[%p/%d] restart_queue - first active\n",
493 buf,buf->vb.i);
495 } else if (prev->vb.width == buf->vb.width &&
496 prev->vb.height == buf->vb.height &&
497 prev->fmt == buf->fmt) {
498 list_move_tail(&buf->vb.queue, &q->active);
499 buf->vb.state = VIDEOBUF_ACTIVE;
500 buf->count = q->count++;
501 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
502 dprintk(2,"[%p/%d] restart_queue - move to active\n",
503 buf,buf->vb.i);
504 } else {
505 return 0;
507 prev = buf;
511 /* ------------------------------------------------------------------ */
513 static int
514 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
516 struct cx8800_fh *fh = q->priv_data;
518 *size = fh->fmt->depth*fh->width*fh->height >> 3;
519 if (0 == *count)
520 *count = 32;
521 while (*size * *count > vid_limit * 1024 * 1024)
522 (*count)--;
523 return 0;
526 static int
527 buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
528 enum v4l2_field field)
530 struct cx8800_fh *fh = q->priv_data;
531 struct cx8800_dev *dev = fh->dev;
532 struct cx88_core *core = dev->core;
533 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
534 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
535 int rc, init_buffer = 0;
537 BUG_ON(NULL == fh->fmt);
538 if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) ||
539 fh->height < 32 || fh->height > norm_maxh(core->tvnorm))
540 return -EINVAL;
541 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
542 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
543 return -EINVAL;
545 if (buf->fmt != fh->fmt ||
546 buf->vb.width != fh->width ||
547 buf->vb.height != fh->height ||
548 buf->vb.field != field) {
549 buf->fmt = fh->fmt;
550 buf->vb.width = fh->width;
551 buf->vb.height = fh->height;
552 buf->vb.field = field;
553 init_buffer = 1;
556 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
557 init_buffer = 1;
558 if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL)))
559 goto fail;
562 if (init_buffer) {
563 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
564 switch (buf->vb.field) {
565 case V4L2_FIELD_TOP:
566 cx88_risc_buffer(dev->pci, &buf->risc,
567 dma->sglist, 0, UNSET,
568 buf->bpl, 0, buf->vb.height);
569 break;
570 case V4L2_FIELD_BOTTOM:
571 cx88_risc_buffer(dev->pci, &buf->risc,
572 dma->sglist, UNSET, 0,
573 buf->bpl, 0, buf->vb.height);
574 break;
575 case V4L2_FIELD_INTERLACED:
576 cx88_risc_buffer(dev->pci, &buf->risc,
577 dma->sglist, 0, buf->bpl,
578 buf->bpl, buf->bpl,
579 buf->vb.height >> 1);
580 break;
581 case V4L2_FIELD_SEQ_TB:
582 cx88_risc_buffer(dev->pci, &buf->risc,
583 dma->sglist,
584 0, buf->bpl * (buf->vb.height >> 1),
585 buf->bpl, 0,
586 buf->vb.height >> 1);
587 break;
588 case V4L2_FIELD_SEQ_BT:
589 cx88_risc_buffer(dev->pci, &buf->risc,
590 dma->sglist,
591 buf->bpl * (buf->vb.height >> 1), 0,
592 buf->bpl, 0,
593 buf->vb.height >> 1);
594 break;
595 default:
596 BUG();
599 dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
600 buf, buf->vb.i,
601 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
602 (unsigned long)buf->risc.dma);
604 buf->vb.state = VIDEOBUF_PREPARED;
605 return 0;
607 fail:
608 cx88_free_buffer(q,buf);
609 return rc;
612 static void
613 buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
615 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
616 struct cx88_buffer *prev;
617 struct cx8800_fh *fh = vq->priv_data;
618 struct cx8800_dev *dev = fh->dev;
619 struct cx88_core *core = dev->core;
620 struct cx88_dmaqueue *q = &dev->vidq;
622 /* add jump to stopper */
623 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
624 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
626 if (!list_empty(&q->queued)) {
627 list_add_tail(&buf->vb.queue,&q->queued);
628 buf->vb.state = VIDEOBUF_QUEUED;
629 dprintk(2,"[%p/%d] buffer_queue - append to queued\n",
630 buf, buf->vb.i);
632 } else if (list_empty(&q->active)) {
633 list_add_tail(&buf->vb.queue,&q->active);
634 start_video_dma(dev, q, buf);
635 buf->vb.state = VIDEOBUF_ACTIVE;
636 buf->count = q->count++;
637 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
638 dprintk(2,"[%p/%d] buffer_queue - first active\n",
639 buf, buf->vb.i);
641 } else {
642 prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue);
643 if (prev->vb.width == buf->vb.width &&
644 prev->vb.height == buf->vb.height &&
645 prev->fmt == buf->fmt) {
646 list_add_tail(&buf->vb.queue,&q->active);
647 buf->vb.state = VIDEOBUF_ACTIVE;
648 buf->count = q->count++;
649 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
650 dprintk(2,"[%p/%d] buffer_queue - append to active\n",
651 buf, buf->vb.i);
653 } else {
654 list_add_tail(&buf->vb.queue,&q->queued);
655 buf->vb.state = VIDEOBUF_QUEUED;
656 dprintk(2,"[%p/%d] buffer_queue - first queued\n",
657 buf, buf->vb.i);
662 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
664 struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb);
666 cx88_free_buffer(q,buf);
669 static struct videobuf_queue_ops cx8800_video_qops = {
670 .buf_setup = buffer_setup,
671 .buf_prepare = buffer_prepare,
672 .buf_queue = buffer_queue,
673 .buf_release = buffer_release,
676 /* ------------------------------------------------------------------ */
679 /* ------------------------------------------------------------------ */
681 static struct videobuf_queue* get_queue(struct cx8800_fh *fh)
683 switch (fh->type) {
684 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
685 return &fh->vidq;
686 case V4L2_BUF_TYPE_VBI_CAPTURE:
687 return &fh->vbiq;
688 default:
689 BUG();
690 return NULL;
694 static int get_ressource(struct cx8800_fh *fh)
696 switch (fh->type) {
697 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
698 return RESOURCE_VIDEO;
699 case V4L2_BUF_TYPE_VBI_CAPTURE:
700 return RESOURCE_VBI;
701 default:
702 BUG();
703 return 0;
707 static int video_open(struct inode *inode, struct file *file)
709 int minor = iminor(inode);
710 struct cx8800_dev *h,*dev = NULL;
711 struct cx88_core *core;
712 struct cx8800_fh *fh;
713 enum v4l2_buf_type type = 0;
714 int radio = 0;
716 list_for_each_entry(h, &cx8800_devlist, devlist) {
717 if (h->video_dev->minor == minor) {
718 dev = h;
719 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
721 if (h->vbi_dev->minor == minor) {
722 dev = h;
723 type = V4L2_BUF_TYPE_VBI_CAPTURE;
725 if (h->radio_dev &&
726 h->radio_dev->minor == minor) {
727 radio = 1;
728 dev = h;
731 if (NULL == dev)
732 return -ENODEV;
734 core = dev->core;
736 dprintk(1,"open minor=%d radio=%d type=%s\n",
737 minor,radio,v4l2_type_names[type]);
739 /* allocate + initialize per filehandle data */
740 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
741 if (NULL == fh)
742 return -ENOMEM;
743 file->private_data = fh;
744 fh->dev = dev;
745 fh->radio = radio;
746 fh->type = type;
747 fh->width = 320;
748 fh->height = 240;
749 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
751 videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops,
752 dev->pci, &dev->slock,
753 V4L2_BUF_TYPE_VIDEO_CAPTURE,
754 V4L2_FIELD_INTERLACED,
755 sizeof(struct cx88_buffer),
756 fh);
757 videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops,
758 dev->pci, &dev->slock,
759 V4L2_BUF_TYPE_VBI_CAPTURE,
760 V4L2_FIELD_SEQ_TB,
761 sizeof(struct cx88_buffer),
762 fh);
764 if (fh->radio) {
765 dprintk(1,"video_open: setting radio device\n");
766 cx_write(MO_GP3_IO, core->board.radio.gpio3);
767 cx_write(MO_GP0_IO, core->board.radio.gpio0);
768 cx_write(MO_GP1_IO, core->board.radio.gpio1);
769 cx_write(MO_GP2_IO, core->board.radio.gpio2);
770 core->tvaudio = WW_FM;
771 cx88_set_tvaudio(core);
772 cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
773 cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
776 return 0;
779 static ssize_t
780 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
782 struct cx8800_fh *fh = file->private_data;
784 switch (fh->type) {
785 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
786 if (res_locked(fh->dev,RESOURCE_VIDEO))
787 return -EBUSY;
788 return videobuf_read_one(&fh->vidq, data, count, ppos,
789 file->f_flags & O_NONBLOCK);
790 case V4L2_BUF_TYPE_VBI_CAPTURE:
791 if (!res_get(fh->dev,fh,RESOURCE_VBI))
792 return -EBUSY;
793 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
794 file->f_flags & O_NONBLOCK);
795 default:
796 BUG();
797 return 0;
801 static unsigned int
802 video_poll(struct file *file, struct poll_table_struct *wait)
804 struct cx8800_fh *fh = file->private_data;
805 struct cx88_buffer *buf;
807 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
808 if (!res_get(fh->dev,fh,RESOURCE_VBI))
809 return POLLERR;
810 return videobuf_poll_stream(file, &fh->vbiq, wait);
813 if (res_check(fh,RESOURCE_VIDEO)) {
814 /* streaming capture */
815 if (list_empty(&fh->vidq.stream))
816 return POLLERR;
817 buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream);
818 } else {
819 /* read() capture */
820 buf = (struct cx88_buffer*)fh->vidq.read_buf;
821 if (NULL == buf)
822 return POLLERR;
824 poll_wait(file, &buf->vb.done, wait);
825 if (buf->vb.state == VIDEOBUF_DONE ||
826 buf->vb.state == VIDEOBUF_ERROR)
827 return POLLIN|POLLRDNORM;
828 return 0;
831 static int video_release(struct inode *inode, struct file *file)
833 struct cx8800_fh *fh = file->private_data;
834 struct cx8800_dev *dev = fh->dev;
836 /* turn off overlay */
837 if (res_check(fh, RESOURCE_OVERLAY)) {
838 /* FIXME */
839 res_free(dev,fh,RESOURCE_OVERLAY);
842 /* stop video capture */
843 if (res_check(fh, RESOURCE_VIDEO)) {
844 videobuf_queue_cancel(&fh->vidq);
845 res_free(dev,fh,RESOURCE_VIDEO);
847 if (fh->vidq.read_buf) {
848 buffer_release(&fh->vidq,fh->vidq.read_buf);
849 kfree(fh->vidq.read_buf);
852 /* stop vbi capture */
853 if (res_check(fh, RESOURCE_VBI)) {
854 videobuf_stop(&fh->vbiq);
855 res_free(dev,fh,RESOURCE_VBI);
858 videobuf_mmap_free(&fh->vidq);
859 videobuf_mmap_free(&fh->vbiq);
860 file->private_data = NULL;
861 kfree(fh);
863 cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);
865 return 0;
868 static int
869 video_mmap(struct file *file, struct vm_area_struct * vma)
871 struct cx8800_fh *fh = file->private_data;
873 return videobuf_mmap_mapper(get_queue(fh), vma);
876 /* ------------------------------------------------------------------ */
877 /* VIDEO CTRL IOCTLS */
879 int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
881 struct cx88_ctrl *c = NULL;
882 u32 value;
883 int i;
885 for (i = 0; i < CX8800_CTLS; i++)
886 if (cx8800_ctls[i].v.id == ctl->id)
887 c = &cx8800_ctls[i];
888 if (unlikely(NULL == c))
889 return -EINVAL;
891 value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
892 switch (ctl->id) {
893 case V4L2_CID_AUDIO_BALANCE:
894 ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
895 : (0x7f - (value & 0x7f));
896 break;
897 case V4L2_CID_AUDIO_VOLUME:
898 ctl->value = 0x3f - (value & 0x3f);
899 break;
900 default:
901 ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
902 break;
904 dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
905 ctl->id, c->v.name, ctl->value, c->reg,
906 value,c->mask, c->sreg ? " [shadowed]" : "");
907 return 0;
909 EXPORT_SYMBOL(cx88_get_control);
911 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
913 struct cx88_ctrl *c = NULL;
914 u32 value,mask;
915 int i;
917 for (i = 0; i < CX8800_CTLS; i++) {
918 if (cx8800_ctls[i].v.id == ctl->id) {
919 c = &cx8800_ctls[i];
922 if (unlikely(NULL == c))
923 return -EINVAL;
925 if (ctl->value < c->v.minimum)
926 ctl->value = c->v.minimum;
927 if (ctl->value > c->v.maximum)
928 ctl->value = c->v.maximum;
929 mask=c->mask;
930 switch (ctl->id) {
931 case V4L2_CID_AUDIO_BALANCE:
932 value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
933 break;
934 case V4L2_CID_AUDIO_VOLUME:
935 value = 0x3f - (ctl->value & 0x3f);
936 break;
937 case V4L2_CID_SATURATION:
938 /* special v_sat handling */
940 value = ((ctl->value - c->off) << c->shift) & c->mask;
942 if (core->tvnorm & V4L2_STD_SECAM) {
943 /* For SECAM, both U and V sat should be equal */
944 value=value<<8|value;
945 } else {
946 /* Keeps U Saturation proportional to V Sat */
947 value=(value*0x5a)/0x7f<<8|value;
949 mask=0xffff;
950 break;
951 default:
952 value = ((ctl->value - c->off) << c->shift) & c->mask;
953 break;
955 dprintk(1,"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
956 ctl->id, c->v.name, ctl->value, c->reg, value,
957 mask, c->sreg ? " [shadowed]" : "");
958 if (c->sreg) {
959 cx_sandor(c->sreg, c->reg, mask, value);
960 } else {
961 cx_andor(c->reg, mask, value);
963 return 0;
965 EXPORT_SYMBOL(cx88_set_control);
967 static void init_controls(struct cx88_core *core)
969 struct v4l2_control ctrl;
970 int i;
972 for (i = 0; i < CX8800_CTLS; i++) {
973 ctrl.id=cx8800_ctls[i].v.id;
974 ctrl.value=cx8800_ctls[i].v.default_value;
976 cx88_set_control(core, &ctrl);
980 /* ------------------------------------------------------------------ */
981 /* VIDEO IOCTLS */
983 static int vidioc_g_fmt_cap (struct file *file, void *priv,
984 struct v4l2_format *f)
986 struct cx8800_fh *fh = priv;
988 f->fmt.pix.width = fh->width;
989 f->fmt.pix.height = fh->height;
990 f->fmt.pix.field = fh->vidq.field;
991 f->fmt.pix.pixelformat = fh->fmt->fourcc;
992 f->fmt.pix.bytesperline =
993 (f->fmt.pix.width * fh->fmt->depth) >> 3;
994 f->fmt.pix.sizeimage =
995 f->fmt.pix.height * f->fmt.pix.bytesperline;
996 return 0;
999 static int vidioc_try_fmt_cap (struct file *file, void *priv,
1000 struct v4l2_format *f)
1002 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1003 struct cx8800_fmt *fmt;
1004 enum v4l2_field field;
1005 unsigned int maxw, maxh;
1007 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1008 if (NULL == fmt)
1009 return -EINVAL;
1011 field = f->fmt.pix.field;
1012 maxw = norm_maxw(core->tvnorm);
1013 maxh = norm_maxh(core->tvnorm);
1015 if (V4L2_FIELD_ANY == field) {
1016 field = (f->fmt.pix.height > maxh/2)
1017 ? V4L2_FIELD_INTERLACED
1018 : V4L2_FIELD_BOTTOM;
1021 switch (field) {
1022 case V4L2_FIELD_TOP:
1023 case V4L2_FIELD_BOTTOM:
1024 maxh = maxh / 2;
1025 break;
1026 case V4L2_FIELD_INTERLACED:
1027 break;
1028 default:
1029 return -EINVAL;
1032 f->fmt.pix.field = field;
1033 if (f->fmt.pix.height < 32)
1034 f->fmt.pix.height = 32;
1035 if (f->fmt.pix.height > maxh)
1036 f->fmt.pix.height = maxh;
1037 if (f->fmt.pix.width < 48)
1038 f->fmt.pix.width = 48;
1039 if (f->fmt.pix.width > maxw)
1040 f->fmt.pix.width = maxw;
1041 f->fmt.pix.width &= ~0x03;
1042 f->fmt.pix.bytesperline =
1043 (f->fmt.pix.width * fmt->depth) >> 3;
1044 f->fmt.pix.sizeimage =
1045 f->fmt.pix.height * f->fmt.pix.bytesperline;
1047 return 0;
1050 static int vidioc_s_fmt_cap (struct file *file, void *priv,
1051 struct v4l2_format *f)
1053 struct cx8800_fh *fh = priv;
1054 int err = vidioc_try_fmt_cap (file,priv,f);
1056 if (0 != err)
1057 return err;
1058 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1059 fh->width = f->fmt.pix.width;
1060 fh->height = f->fmt.pix.height;
1061 fh->vidq.field = f->fmt.pix.field;
1062 return 0;
1065 static int vidioc_querycap (struct file *file, void *priv,
1066 struct v4l2_capability *cap)
1068 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1069 struct cx88_core *core = dev->core;
1071 strcpy(cap->driver, "cx8800");
1072 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1073 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1074 cap->version = CX88_VERSION_CODE;
1075 cap->capabilities =
1076 V4L2_CAP_VIDEO_CAPTURE |
1077 V4L2_CAP_READWRITE |
1078 V4L2_CAP_STREAMING |
1079 V4L2_CAP_VBI_CAPTURE;
1080 if (UNSET != core->board.tuner_type)
1081 cap->capabilities |= V4L2_CAP_TUNER;
1082 return 0;
1085 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
1086 struct v4l2_fmtdesc *f)
1088 if (unlikely(f->index >= ARRAY_SIZE(formats)))
1089 return -EINVAL;
1091 strlcpy(f->description,formats[f->index].name,sizeof(f->description));
1092 f->pixelformat = formats[f->index].fourcc;
1094 return 0;
1097 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1098 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
1100 struct cx8800_fh *fh = priv;
1102 return videobuf_cgmbuf (get_queue(fh), mbuf, 8);
1104 #endif
1106 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
1108 struct cx8800_fh *fh = priv;
1109 return (videobuf_reqbufs(get_queue(fh), p));
1112 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
1114 struct cx8800_fh *fh = priv;
1115 return (videobuf_querybuf(get_queue(fh), p));
1118 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1120 struct cx8800_fh *fh = priv;
1121 return (videobuf_qbuf(get_queue(fh), p));
1124 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
1126 struct cx8800_fh *fh = priv;
1127 return (videobuf_dqbuf(get_queue(fh), p,
1128 file->f_flags & O_NONBLOCK));
1131 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
1133 struct cx8800_fh *fh = priv;
1134 struct cx8800_dev *dev = fh->dev;
1136 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1137 return -EINVAL;
1138 if (unlikely(i != fh->type))
1139 return -EINVAL;
1141 if (unlikely(!res_get(dev,fh,get_ressource(fh))))
1142 return -EBUSY;
1143 return videobuf_streamon(get_queue(fh));
1146 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1148 struct cx8800_fh *fh = priv;
1149 struct cx8800_dev *dev = fh->dev;
1150 int err, res;
1152 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1153 return -EINVAL;
1154 if (i != fh->type)
1155 return -EINVAL;
1157 res = get_ressource(fh);
1158 err = videobuf_streamoff(get_queue(fh));
1159 if (err < 0)
1160 return err;
1161 res_free(dev,fh,res);
1162 return 0;
1165 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *tvnorms)
1167 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1169 mutex_lock(&core->lock);
1170 cx88_set_tvnorm(core,*tvnorms);
1171 mutex_unlock(&core->lock);
1173 return 0;
1176 /* only one input in this sample driver */
1177 int cx88_enum_input (struct cx88_core *core,struct v4l2_input *i)
1179 static const char *iname[] = {
1180 [ CX88_VMUX_COMPOSITE1 ] = "Composite1",
1181 [ CX88_VMUX_COMPOSITE2 ] = "Composite2",
1182 [ CX88_VMUX_COMPOSITE3 ] = "Composite3",
1183 [ CX88_VMUX_COMPOSITE4 ] = "Composite4",
1184 [ CX88_VMUX_SVIDEO ] = "S-Video",
1185 [ CX88_VMUX_TELEVISION ] = "Television",
1186 [ CX88_VMUX_CABLE ] = "Cable TV",
1187 [ CX88_VMUX_DVB ] = "DVB",
1188 [ CX88_VMUX_DEBUG ] = "for debug only",
1190 unsigned int n;
1192 n = i->index;
1193 if (n >= 4)
1194 return -EINVAL;
1195 if (0 == INPUT(n).type)
1196 return -EINVAL;
1197 memset(i,0,sizeof(*i));
1198 i->index = n;
1199 i->type = V4L2_INPUT_TYPE_CAMERA;
1200 strcpy(i->name,iname[INPUT(n).type]);
1201 if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
1202 (CX88_VMUX_CABLE == INPUT(n).type))
1203 i->type = V4L2_INPUT_TYPE_TUNER;
1204 i->std = CX88_NORMS;
1205 return 0;
1207 EXPORT_SYMBOL(cx88_enum_input);
1209 static int vidioc_enum_input (struct file *file, void *priv,
1210 struct v4l2_input *i)
1212 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1213 return cx88_enum_input (core,i);
1216 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1218 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1220 *i = core->input;
1221 return 0;
1224 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1226 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1228 if (i >= 4)
1229 return -EINVAL;
1231 mutex_lock(&core->lock);
1232 cx88_newstation(core);
1233 cx88_video_mux(core,i);
1234 mutex_unlock(&core->lock);
1235 return 0;
1240 static int vidioc_queryctrl (struct file *file, void *priv,
1241 struct v4l2_queryctrl *qctrl)
1243 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1244 if (unlikely(qctrl->id == 0))
1245 return -EINVAL;
1246 return cx8800_ctrl_query(qctrl);
1249 static int vidioc_g_ctrl (struct file *file, void *priv,
1250 struct v4l2_control *ctl)
1252 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1253 return
1254 cx88_get_control(core,ctl);
1257 static int vidioc_s_ctrl (struct file *file, void *priv,
1258 struct v4l2_control *ctl)
1260 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1261 return
1262 cx88_set_control(core,ctl);
1265 static int vidioc_g_tuner (struct file *file, void *priv,
1266 struct v4l2_tuner *t)
1268 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1269 u32 reg;
1271 if (unlikely(UNSET == core->board.tuner_type))
1272 return -EINVAL;
1273 if (0 != t->index)
1274 return -EINVAL;
1276 strcpy(t->name, "Television");
1277 t->type = V4L2_TUNER_ANALOG_TV;
1278 t->capability = V4L2_TUNER_CAP_NORM;
1279 t->rangehigh = 0xffffffffUL;
1281 cx88_get_stereo(core ,t);
1282 reg = cx_read(MO_DEVICE_STATUS);
1283 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1284 return 0;
1287 static int vidioc_s_tuner (struct file *file, void *priv,
1288 struct v4l2_tuner *t)
1290 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1292 if (UNSET == core->board.tuner_type)
1293 return -EINVAL;
1294 if (0 != t->index)
1295 return -EINVAL;
1297 cx88_set_stereo(core, t->audmode, 1);
1298 return 0;
1301 static int vidioc_g_frequency (struct file *file, void *priv,
1302 struct v4l2_frequency *f)
1304 struct cx8800_fh *fh = priv;
1305 struct cx88_core *core = fh->dev->core;
1307 if (unlikely(UNSET == core->board.tuner_type))
1308 return -EINVAL;
1310 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1311 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1312 f->frequency = core->freq;
1314 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1316 return 0;
1319 int cx88_set_freq (struct cx88_core *core,
1320 struct v4l2_frequency *f)
1322 if (unlikely(UNSET == core->board.tuner_type))
1323 return -EINVAL;
1324 if (unlikely(f->tuner != 0))
1325 return -EINVAL;
1327 mutex_lock(&core->lock);
1328 core->freq = f->frequency;
1329 cx88_newstation(core);
1330 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
1332 /* When changing channels it is required to reset TVAUDIO */
1333 msleep (10);
1334 cx88_set_tvaudio(core);
1336 mutex_unlock(&core->lock);
1338 return 0;
1340 EXPORT_SYMBOL(cx88_set_freq);
1342 static int vidioc_s_frequency (struct file *file, void *priv,
1343 struct v4l2_frequency *f)
1345 struct cx8800_fh *fh = priv;
1346 struct cx88_core *core = fh->dev->core;
1348 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1349 return -EINVAL;
1350 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1351 return -EINVAL;
1353 return
1354 cx88_set_freq (core,f);
1357 #ifdef CONFIG_VIDEO_ADV_DEBUG
1358 static int vidioc_g_register (struct file *file, void *fh,
1359 struct v4l2_register *reg)
1361 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1363 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1364 return -EINVAL;
1365 /* cx2388x has a 24-bit register space */
1366 reg->val = cx_read(reg->reg&0xffffff);
1367 return 0;
1370 static int vidioc_s_register (struct file *file, void *fh,
1371 struct v4l2_register *reg)
1373 struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
1375 if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
1376 return -EINVAL;
1377 cx_write(reg->reg&0xffffff, reg->val);
1378 return 0;
1380 #endif
1382 /* ----------------------------------------------------------- */
1383 /* RADIO ESPECIFIC IOCTLS */
1384 /* ----------------------------------------------------------- */
1386 static int radio_querycap (struct file *file, void *priv,
1387 struct v4l2_capability *cap)
1389 struct cx8800_dev *dev = ((struct cx8800_fh *)priv)->dev;
1390 struct cx88_core *core = dev->core;
1392 strcpy(cap->driver, "cx8800");
1393 strlcpy(cap->card, core->board.name, sizeof(cap->card));
1394 sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
1395 cap->version = CX88_VERSION_CODE;
1396 cap->capabilities = V4L2_CAP_TUNER;
1397 return 0;
1400 static int radio_g_tuner (struct file *file, void *priv,
1401 struct v4l2_tuner *t)
1403 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1405 if (unlikely(t->index > 0))
1406 return -EINVAL;
1408 strcpy(t->name, "Radio");
1409 t->type = V4L2_TUNER_RADIO;
1411 cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t);
1412 return 0;
1415 static int radio_enum_input (struct file *file, void *priv,
1416 struct v4l2_input *i)
1418 if (i->index != 0)
1419 return -EINVAL;
1420 strcpy(i->name,"Radio");
1421 i->type = V4L2_INPUT_TYPE_TUNER;
1423 return 0;
1426 static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a)
1428 if (unlikely(a->index))
1429 return -EINVAL;
1431 memset(a,0,sizeof(*a));
1432 strcpy(a->name,"Radio");
1433 return 0;
1436 /* FIXME: Should add a standard for radio */
1438 static int radio_s_tuner (struct file *file, void *priv,
1439 struct v4l2_tuner *t)
1441 struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
1443 if (0 != t->index)
1444 return -EINVAL;
1446 cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t);
1448 return 0;
1451 static int radio_s_audio (struct file *file, void *fh,
1452 struct v4l2_audio *a)
1454 return 0;
1457 static int radio_s_input (struct file *file, void *fh, unsigned int i)
1459 return 0;
1462 static int radio_queryctrl (struct file *file, void *priv,
1463 struct v4l2_queryctrl *c)
1465 int i;
1467 if (c->id < V4L2_CID_BASE ||
1468 c->id >= V4L2_CID_LASTP1)
1469 return -EINVAL;
1470 if (c->id == V4L2_CID_AUDIO_MUTE) {
1471 for (i = 0; i < CX8800_CTLS; i++)
1472 if (cx8800_ctls[i].v.id == c->id)
1473 break;
1474 *c = cx8800_ctls[i].v;
1475 } else
1476 *c = no_ctl;
1477 return 0;
1480 /* ----------------------------------------------------------- */
1482 static void cx8800_vid_timeout(unsigned long data)
1484 struct cx8800_dev *dev = (struct cx8800_dev*)data;
1485 struct cx88_core *core = dev->core;
1486 struct cx88_dmaqueue *q = &dev->vidq;
1487 struct cx88_buffer *buf;
1488 unsigned long flags;
1490 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1492 cx_clear(MO_VID_DMACNTRL, 0x11);
1493 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1495 spin_lock_irqsave(&dev->slock,flags);
1496 while (!list_empty(&q->active)) {
1497 buf = list_entry(q->active.next, struct cx88_buffer, vb.queue);
1498 list_del(&buf->vb.queue);
1499 buf->vb.state = VIDEOBUF_ERROR;
1500 wake_up(&buf->vb.done);
1501 printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name,
1502 buf, buf->vb.i, (unsigned long)buf->risc.dma);
1504 restart_video_queue(dev,q);
1505 spin_unlock_irqrestore(&dev->slock,flags);
1508 static char *cx88_vid_irqs[32] = {
1509 "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
1510 "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
1511 "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
1512 "y_sync", "u_sync", "v_sync", "vbi_sync",
1513 "opc_err", "par_err", "rip_err", "pci_abort",
1516 static void cx8800_vid_irq(struct cx8800_dev *dev)
1518 struct cx88_core *core = dev->core;
1519 u32 status, mask, count;
1521 status = cx_read(MO_VID_INTSTAT);
1522 mask = cx_read(MO_VID_INTMSK);
1523 if (0 == (status & mask))
1524 return;
1525 cx_write(MO_VID_INTSTAT, status);
1526 if (irq_debug || (status & mask & ~0xff))
1527 cx88_print_irqbits(core->name, "irq vid",
1528 cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
1529 status, mask);
1531 /* risc op code error */
1532 if (status & (1 << 16)) {
1533 printk(KERN_WARNING "%s/0: video risc op code error\n",core->name);
1534 cx_clear(MO_VID_DMACNTRL, 0x11);
1535 cx_clear(VID_CAPTURE_CONTROL, 0x06);
1536 cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
1539 /* risc1 y */
1540 if (status & 0x01) {
1541 spin_lock(&dev->slock);
1542 count = cx_read(MO_VIDY_GPCNT);
1543 cx88_wakeup(core, &dev->vidq, count);
1544 spin_unlock(&dev->slock);
1547 /* risc1 vbi */
1548 if (status & 0x08) {
1549 spin_lock(&dev->slock);
1550 count = cx_read(MO_VBI_GPCNT);
1551 cx88_wakeup(core, &dev->vbiq, count);
1552 spin_unlock(&dev->slock);
1555 /* risc2 y */
1556 if (status & 0x10) {
1557 dprintk(2,"stopper video\n");
1558 spin_lock(&dev->slock);
1559 restart_video_queue(dev,&dev->vidq);
1560 spin_unlock(&dev->slock);
1563 /* risc2 vbi */
1564 if (status & 0x80) {
1565 dprintk(2,"stopper vbi\n");
1566 spin_lock(&dev->slock);
1567 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1568 spin_unlock(&dev->slock);
1572 static irqreturn_t cx8800_irq(int irq, void *dev_id)
1574 struct cx8800_dev *dev = dev_id;
1575 struct cx88_core *core = dev->core;
1576 u32 status;
1577 int loop, handled = 0;
1579 for (loop = 0; loop < 10; loop++) {
1580 status = cx_read(MO_PCI_INTSTAT) &
1581 (core->pci_irqmask | PCI_INT_VIDINT);
1582 if (0 == status)
1583 goto out;
1584 cx_write(MO_PCI_INTSTAT, status);
1585 handled = 1;
1587 if (status & core->pci_irqmask)
1588 cx88_core_irq(core,status);
1589 if (status & PCI_INT_VIDINT)
1590 cx8800_vid_irq(dev);
1592 if (10 == loop) {
1593 printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n",
1594 core->name);
1595 cx_write(MO_PCI_INTMSK,0);
1598 out:
1599 return IRQ_RETVAL(handled);
1602 /* ----------------------------------------------------------- */
1603 /* exported stuff */
1605 static const struct file_operations video_fops =
1607 .owner = THIS_MODULE,
1608 .open = video_open,
1609 .release = video_release,
1610 .read = video_read,
1611 .poll = video_poll,
1612 .mmap = video_mmap,
1613 .ioctl = video_ioctl2,
1614 .compat_ioctl = v4l_compat_ioctl32,
1615 .llseek = no_llseek,
1618 static struct video_device cx8800_vbi_template;
1619 static struct video_device cx8800_video_template =
1621 .name = "cx8800-video",
1622 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES,
1623 .fops = &video_fops,
1624 .minor = -1,
1625 .vidioc_querycap = vidioc_querycap,
1626 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1627 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1628 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1629 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1630 .vidioc_g_fmt_vbi = cx8800_vbi_fmt,
1631 .vidioc_try_fmt_vbi = cx8800_vbi_fmt,
1632 .vidioc_s_fmt_vbi = cx8800_vbi_fmt,
1633 .vidioc_reqbufs = vidioc_reqbufs,
1634 .vidioc_querybuf = vidioc_querybuf,
1635 .vidioc_qbuf = vidioc_qbuf,
1636 .vidioc_dqbuf = vidioc_dqbuf,
1637 .vidioc_s_std = vidioc_s_std,
1638 .vidioc_enum_input = vidioc_enum_input,
1639 .vidioc_g_input = vidioc_g_input,
1640 .vidioc_s_input = vidioc_s_input,
1641 .vidioc_queryctrl = vidioc_queryctrl,
1642 .vidioc_g_ctrl = vidioc_g_ctrl,
1643 .vidioc_s_ctrl = vidioc_s_ctrl,
1644 .vidioc_streamon = vidioc_streamon,
1645 .vidioc_streamoff = vidioc_streamoff,
1646 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1647 .vidiocgmbuf = vidiocgmbuf,
1648 #endif
1649 .vidioc_g_tuner = vidioc_g_tuner,
1650 .vidioc_s_tuner = vidioc_s_tuner,
1651 .vidioc_g_frequency = vidioc_g_frequency,
1652 .vidioc_s_frequency = vidioc_s_frequency,
1653 #ifdef CONFIG_VIDEO_ADV_DEBUG
1654 .vidioc_g_register = vidioc_g_register,
1655 .vidioc_s_register = vidioc_s_register,
1656 #endif
1657 .tvnorms = CX88_NORMS,
1658 .current_norm = V4L2_STD_NTSC_M,
1661 static const struct file_operations radio_fops =
1663 .owner = THIS_MODULE,
1664 .open = video_open,
1665 .release = video_release,
1666 .ioctl = video_ioctl2,
1667 .compat_ioctl = v4l_compat_ioctl32,
1668 .llseek = no_llseek,
1671 static struct video_device cx8800_radio_template =
1673 .name = "cx8800-radio",
1674 .type = VID_TYPE_TUNER,
1675 .fops = &radio_fops,
1676 .minor = -1,
1677 .vidioc_querycap = radio_querycap,
1678 .vidioc_g_tuner = radio_g_tuner,
1679 .vidioc_enum_input = radio_enum_input,
1680 .vidioc_g_audio = radio_g_audio,
1681 .vidioc_s_tuner = radio_s_tuner,
1682 .vidioc_s_audio = radio_s_audio,
1683 .vidioc_s_input = radio_s_input,
1684 .vidioc_queryctrl = radio_queryctrl,
1685 .vidioc_g_ctrl = vidioc_g_ctrl,
1686 .vidioc_s_ctrl = vidioc_s_ctrl,
1687 .vidioc_g_frequency = vidioc_g_frequency,
1688 .vidioc_s_frequency = vidioc_s_frequency,
1689 #ifdef CONFIG_VIDEO_ADV_DEBUG
1690 .vidioc_g_register = vidioc_g_register,
1691 .vidioc_s_register = vidioc_s_register,
1692 #endif
1695 /* ----------------------------------------------------------- */
1697 static void cx8800_unregister_video(struct cx8800_dev *dev)
1699 if (dev->radio_dev) {
1700 if (-1 != dev->radio_dev->minor)
1701 video_unregister_device(dev->radio_dev);
1702 else
1703 video_device_release(dev->radio_dev);
1704 dev->radio_dev = NULL;
1706 if (dev->vbi_dev) {
1707 if (-1 != dev->vbi_dev->minor)
1708 video_unregister_device(dev->vbi_dev);
1709 else
1710 video_device_release(dev->vbi_dev);
1711 dev->vbi_dev = NULL;
1713 if (dev->video_dev) {
1714 if (-1 != dev->video_dev->minor)
1715 video_unregister_device(dev->video_dev);
1716 else
1717 video_device_release(dev->video_dev);
1718 dev->video_dev = NULL;
1722 static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
1723 const struct pci_device_id *pci_id)
1725 struct cx8800_dev *dev;
1726 struct cx88_core *core;
1728 int err;
1730 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1731 if (NULL == dev)
1732 return -ENOMEM;
1734 /* pci init */
1735 dev->pci = pci_dev;
1736 if (pci_enable_device(pci_dev)) {
1737 err = -EIO;
1738 goto fail_free;
1740 core = cx88_core_get(dev->pci);
1741 if (NULL == core) {
1742 err = -EINVAL;
1743 goto fail_free;
1745 dev->core = core;
1747 /* print pci info */
1748 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
1749 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1750 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1751 "latency: %d, mmio: 0x%llx\n", core->name,
1752 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1753 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1755 pci_set_master(pci_dev);
1756 if (!pci_dma_supported(pci_dev,DMA_32BIT_MASK)) {
1757 printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
1758 err = -EIO;
1759 goto fail_core;
1762 /* Initialize VBI template */
1763 memcpy( &cx8800_vbi_template, &cx8800_video_template,
1764 sizeof(cx8800_vbi_template) );
1765 strcpy(cx8800_vbi_template.name,"cx8800-vbi");
1766 cx8800_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER;
1768 /* initialize driver struct */
1769 spin_lock_init(&dev->slock);
1770 core->tvnorm = cx8800_video_template.current_norm;
1772 /* init video dma queues */
1773 INIT_LIST_HEAD(&dev->vidq.active);
1774 INIT_LIST_HEAD(&dev->vidq.queued);
1775 dev->vidq.timeout.function = cx8800_vid_timeout;
1776 dev->vidq.timeout.data = (unsigned long)dev;
1777 init_timer(&dev->vidq.timeout);
1778 cx88_risc_stopper(dev->pci,&dev->vidq.stopper,
1779 MO_VID_DMACNTRL,0x11,0x00);
1781 /* init vbi dma queues */
1782 INIT_LIST_HEAD(&dev->vbiq.active);
1783 INIT_LIST_HEAD(&dev->vbiq.queued);
1784 dev->vbiq.timeout.function = cx8800_vbi_timeout;
1785 dev->vbiq.timeout.data = (unsigned long)dev;
1786 init_timer(&dev->vbiq.timeout);
1787 cx88_risc_stopper(dev->pci,&dev->vbiq.stopper,
1788 MO_VID_DMACNTRL,0x88,0x00);
1790 /* get irq */
1791 err = request_irq(pci_dev->irq, cx8800_irq,
1792 IRQF_SHARED | IRQF_DISABLED, core->name, dev);
1793 if (err < 0) {
1794 printk(KERN_ERR "%s/0: can't get IRQ %d\n",
1795 core->name,pci_dev->irq);
1796 goto fail_core;
1798 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1800 /* load and configure helper modules */
1801 if (TUNER_ABSENT != core->board.tuner_type)
1802 request_module("tuner");
1804 if (core->board.audio_chip == AUDIO_CHIP_WM8775)
1805 request_module("wm8775");
1807 switch (core->boardnr) {
1808 case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
1809 request_module("ir-kbd-i2c");
1810 request_module("rtc-isl1208");
1813 /* register v4l devices */
1814 dev->video_dev = cx88_vdev_init(core,dev->pci,
1815 &cx8800_video_template,"video");
1816 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1817 video_nr[core->nr]);
1818 if (err < 0) {
1819 printk(KERN_ERR "%s/0: can't register video device\n",
1820 core->name);
1821 goto fail_unreg;
1823 printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
1824 core->name,dev->video_dev->minor & 0x1f);
1826 dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
1827 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1828 vbi_nr[core->nr]);
1829 if (err < 0) {
1830 printk(KERN_ERR "%s/0: can't register vbi device\n",
1831 core->name);
1832 goto fail_unreg;
1834 printk(KERN_INFO "%s/0: registered device vbi%d\n",
1835 core->name,dev->vbi_dev->minor & 0x1f);
1837 if (core->board.radio.type == CX88_RADIO) {
1838 dev->radio_dev = cx88_vdev_init(core,dev->pci,
1839 &cx8800_radio_template,"radio");
1840 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1841 radio_nr[core->nr]);
1842 if (err < 0) {
1843 printk(KERN_ERR "%s/0: can't register radio device\n",
1844 core->name);
1845 goto fail_unreg;
1847 printk(KERN_INFO "%s/0: registered device radio%d\n",
1848 core->name,dev->radio_dev->minor & 0x1f);
1851 /* everything worked */
1852 list_add_tail(&dev->devlist,&cx8800_devlist);
1853 pci_set_drvdata(pci_dev,dev);
1855 /* initial device configuration */
1856 mutex_lock(&core->lock);
1857 cx88_set_tvnorm(core,core->tvnorm);
1858 init_controls(core);
1859 cx88_video_mux(core,0);
1860 mutex_unlock(&core->lock);
1862 /* start tvaudio thread */
1863 if (core->board.tuner_type != TUNER_ABSENT) {
1864 core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
1865 if (IS_ERR(core->kthread)) {
1866 err = PTR_ERR(core->kthread);
1867 printk(KERN_ERR "%s/0: failed to create cx88 audio thread, err=%d\n",
1868 core->name, err);
1871 return 0;
1873 fail_unreg:
1874 cx8800_unregister_video(dev);
1875 free_irq(pci_dev->irq, dev);
1876 fail_core:
1877 cx88_core_put(core,dev->pci);
1878 fail_free:
1879 kfree(dev);
1880 return err;
1883 static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
1885 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1886 struct cx88_core *core = dev->core;
1888 /* stop thread */
1889 if (core->kthread) {
1890 kthread_stop(core->kthread);
1891 core->kthread = NULL;
1894 cx88_shutdown(core); /* FIXME */
1895 pci_disable_device(pci_dev);
1897 /* unregister stuff */
1899 free_irq(pci_dev->irq, dev);
1900 cx8800_unregister_video(dev);
1901 pci_set_drvdata(pci_dev, NULL);
1903 /* free memory */
1904 btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
1905 list_del(&dev->devlist);
1906 cx88_core_put(core,dev->pci);
1907 kfree(dev);
1910 #ifdef CONFIG_PM
1911 static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
1913 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1914 struct cx88_core *core = dev->core;
1916 /* stop video+vbi capture */
1917 spin_lock(&dev->slock);
1918 if (!list_empty(&dev->vidq.active)) {
1919 printk("%s/0: suspend video\n", core->name);
1920 stop_video_dma(dev);
1921 del_timer(&dev->vidq.timeout);
1923 if (!list_empty(&dev->vbiq.active)) {
1924 printk("%s/0: suspend vbi\n", core->name);
1925 cx8800_stop_vbi_dma(dev);
1926 del_timer(&dev->vbiq.timeout);
1928 spin_unlock(&dev->slock);
1930 if (core->ir)
1931 cx88_ir_stop(core, core->ir);
1932 /* FIXME -- shutdown device */
1933 cx88_shutdown(core);
1935 pci_save_state(pci_dev);
1936 if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
1937 pci_disable_device(pci_dev);
1938 dev->state.disabled = 1;
1940 return 0;
1943 static int cx8800_resume(struct pci_dev *pci_dev)
1945 struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
1946 struct cx88_core *core = dev->core;
1947 int err;
1949 if (dev->state.disabled) {
1950 err=pci_enable_device(pci_dev);
1951 if (err) {
1952 printk(KERN_ERR "%s/0: can't enable device\n",
1953 core->name);
1954 return err;
1957 dev->state.disabled = 0;
1959 err= pci_set_power_state(pci_dev, PCI_D0);
1960 if (err) {
1961 printk(KERN_ERR "%s/0: can't set power state\n", core->name);
1962 pci_disable_device(pci_dev);
1963 dev->state.disabled = 1;
1965 return err;
1967 pci_restore_state(pci_dev);
1969 /* FIXME: re-initialize hardware */
1970 cx88_reset(core);
1971 if (core->ir)
1972 cx88_ir_start(core, core->ir);
1974 cx_set(MO_PCI_INTMSK, core->pci_irqmask);
1976 /* restart video+vbi capture */
1977 spin_lock(&dev->slock);
1978 if (!list_empty(&dev->vidq.active)) {
1979 printk("%s/0: resume video\n", core->name);
1980 restart_video_queue(dev,&dev->vidq);
1982 if (!list_empty(&dev->vbiq.active)) {
1983 printk("%s/0: resume vbi\n", core->name);
1984 cx8800_restart_vbi_queue(dev,&dev->vbiq);
1986 spin_unlock(&dev->slock);
1988 return 0;
1990 #endif
1992 /* ----------------------------------------------------------- */
1994 static struct pci_device_id cx8800_pci_tbl[] = {
1996 .vendor = 0x14f1,
1997 .device = 0x8800,
1998 .subvendor = PCI_ANY_ID,
1999 .subdevice = PCI_ANY_ID,
2001 /* --- end of list --- */
2004 MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
2006 static struct pci_driver cx8800_pci_driver = {
2007 .name = "cx8800",
2008 .id_table = cx8800_pci_tbl,
2009 .probe = cx8800_initdev,
2010 .remove = __devexit_p(cx8800_finidev),
2011 #ifdef CONFIG_PM
2012 .suspend = cx8800_suspend,
2013 .resume = cx8800_resume,
2014 #endif
2017 static int cx8800_init(void)
2019 printk(KERN_INFO "cx88/0: cx2388x v4l2 driver version %d.%d.%d loaded\n",
2020 (CX88_VERSION_CODE >> 16) & 0xff,
2021 (CX88_VERSION_CODE >> 8) & 0xff,
2022 CX88_VERSION_CODE & 0xff);
2023 #ifdef SNAPSHOT
2024 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
2025 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
2026 #endif
2027 return pci_register_driver(&cx8800_pci_driver);
2030 static void cx8800_fini(void)
2032 pci_unregister_driver(&cx8800_pci_driver);
2035 module_init(cx8800_init);
2036 module_exit(cx8800_fini);
2038 /* ----------------------------------------------------------- */
2040 * Local variables:
2041 * c-basic-offset: 8
2042 * End:
2043 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off